Top 100 Mobile App Developers in California
The Best of October 2026Looking for a top mobile app development company in California?
Building a mobile app is expensive. In fact, it can cost $10,000 to $150,000, unless you want an out-of-the-box solution with a DIY app builder. So, choosing the right app developer is important because it can save you time and money and result in an app that makes your business stand out.
As you begin the process of hiring an app development company, remember to define the type of app you want before starting conversations with developers. How complex your app idea is will determine your budget and the skill level you need in an app developer. Then, once conversations begin, ask for portfolio items, reviews, and references. Be sure to bring up timeline, too, so you align on expectations.
Overall, with about 90% of time on mobile spent in apps, investing in a mobile app for your business may help attract customers and get your brand in front of more people.
To assist you in your search for a partner, we’ve compiled this list of the top mobile app developers in California. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best California Mobile App Development Companies
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961Undisclosed2 - 9 employeesSan Francisco, CANeumatic Digital is a small AR/VR development company. They provide AR/VR development and Branding and were launched in 2006.Read More
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962Undisclosed2 - 9 employeesSan Francisco, CAWeightshift is a small user experience company based in San Francisco, California. Their services include UX/UI Design and Graphic Design.Read More
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963Undisclosed2 - 9 employeesBurbank, CAVaylian, a small AR/VR development company, is located in Burbank, California. Their services include AR/VR development and Mobile App Development.Read More
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964Undisclosed2 - 9 employeesCarlsbad, CAFounded in 2006, Golf Pulp Media is a small Advertising company. Their team offers Advertising and Graphic Design.Read More
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965Undisclosed2 - 9 employeesIrvine, CADigital Marketing Pros is a branding company. Their small team is in Irvine, California and specializes in Branding and Logo. The firm was launched in 2014.Read More
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966Undisclosed2 - 9 employeesAnaheim, CAHighrise Elite Marketing, an application development company, specializes in Mobile App Development and Search Engine Optimization. The company is headquartered in Anaheim, California.Read More
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967Undisclosed2 - 9 employeesAnaheim, CACoaction Consulting, a Product Design company, was established in 2008. The team focuses on Product Design and Mobile App Development.Read More
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968Undisclosed2 - 9 employeesSan Ramon, CAD-Kode Technology, a web design company, offers Web Design and Web Development. The agency is based in San Ramon, California.Read More
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969Undisclosed2 - 9 employeesSan Clemente, CAComtek Website Design is a mobile application development company. Their team is in San Clemente, California and offers Mobile App Development and Web Design.Read More
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970Undisclosed2 - 9 employeesLos Angeles, CAUX design company HammockWeb is based in Los Angeles, California. They provide UX/UI Design and E-Commerce Development.Read More
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971Undisclosed2 - 9 employeesMcClellan Park, CAEstablished in 2000, Granite Data Solutions is an IT managed services company. The small team offers IT managed services and Air Freight.Read More
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972Undisclosed2 - 9 employeesEl Segundo, CATechEmpower is a small Content Marketing company. Founded in 1997, the team focuses on Content Marketing and E-Commerce Development.Read More
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973Undisclosed2 - 9 employeesLos Angeles, CAFLARB is an AR/VR development company. Launched in 2001, the agency offers AR/VR development and Mobile App Development.Read More
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974Undisclosed2 - 9 employeesTorrance, CAPiladya is an application development company founded in 2021. The team offers Mobile App Development and Blockchain.Read More
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975Undisclosed2 - 9 employeesSan Francisco, CALaunched in 2012, Netronian Inc. Is a website development firm. Located in Miami, Florida and New York, New York, the team specializes in Web Development and Mobile App Development.Read More
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976Undisclosed2 - 9 employeesLos Gatos, CASmall user experience agency Aionis, is located in Los Gatos, California. Their services include UX/UI Design and Custom Software Development.Read More
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977Undisclosed2 - 9 employeesMilpitas, CACygne Noir Cyber, LLC, a Cybersecurity company, was established in 2023. The team specializes in Cybersecurity and IT managed services.Read More
Industries
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978Undisclosed2 - 9 employeesSan Francisco, CACodepilot, Inc. Is a web design company launched in 2017. Their services include Web Design and Web Development.Read More
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979Undisclosed2 - 9 employeesStockton, CAInteract Media Group is an Affiliate Marketing company established in 2022. The team offers Affiliate Marketing and Search Engine Optimization and is based in Stockton, California.Read More
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980Undisclosed2 - 9 employeesIrvine, CASmall Cybersecurity company Promenade Software, is based in Irvine, California. The team offers Cybersecurity and cloud consulting & SI.Read More
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981$25,000+10 - 49 employeesSan Jose, CAFounded in 2019, C9xperts Corp is a small San Jose, California-based business intelligence company. Their team specializes in BI & big data consulting & SI and cloud consulting & SI.Read More
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982$25,000+250 - 999 employeesMilpitas, CAEstuate is a software development firm. They were established in 2005 and offer Custom Software Development and Enterprise App Modernization.Read More
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983$50,000+250 - 999 employeesCamarillo, CARead More
Vizuri is a development and computer software company based in Herndon, Va. They were founded in 1986 and have a team of around 250 employees. Their services include custom software development, IT staff augmentation, and IT strategy consulting.
Clients
AetnaIndustries
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984$5,000+2 - 9 employeesIrvine, CASmall web development firm Softshop, is in Irvine, California. Their services include Web Development and Search Engine Optimization.Read More
Industries
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985$1,000+10 - 49 employeesSan Francisco, CAFounded in 2017, RS sIgnatoure Solutions Pvt Ltd. Is a software development firm. The small team provides Custom Software Development and AR/VR development.Read More
Industries
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986$10,000+50 - 249 employeesMountain View, CAForgeahead Inc is a software development firm. They offer Custom Software Development, cloud consulting & SI, Mobile App Development, Application Testing, and more and were launched in 1999. Their midsize team is Mountain View, California-based.Read More
Industries
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987$5,000+Freelancer employeesSan Francisco, CASiteAppy LLC is an Enterprise App Modernization company. The team focuses on Enterprise App Modernization and Custom Software Development and is in San Francisco, California.Read More
Industries
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988Undisclosed50 - 249 employeesPalo Alto, CALaunched in 2013, Data Theorem, Inc. Is an app development firm. Their team focuses on Mobile App Development and IT strategy consulting.Read More
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989Undisclosed50 - 249 employeesSan Francisco, CAAOE is an e-commerce development company launched in 1999. Their team offers E-Commerce Development and Web Design.Read More
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990$10,000+50 - 249 employeesSan Francisco, CARead More
Kodexo Labs, an AI development company, is in Austin, Texas; London, England; Karachi, Pakistan and San Francisco, California. Founded in 2021, the midsize team specializes in Artificial Intelligence, Custom Software Development, Mobile App Development, AI Agents, and more.
Clients
Diesel Laptops (Inc. 5000 — Fleet Diagnostics) Extensiv ($130M+ Funded, Inc. 5000 — 3PL Warehouse Management) IFPG (#1 Franchise Broker Organization, North America) Teacher AI ($5M+ First-Year Revenue — AI Language Platform)Industries
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